organicmaps/harfbuzz
13
Fork 0
mirror of https://github.com/harfbuzz/harfbuzz.git synced 2025-04-06 05:55:06 +00:00
Code Issues 1 Projects Releases Wiki Activity Actions 7

[subset] fix heap buffer overflow found by fuzzer.

Browse source
This commit is contained in:
Garret Rieger 2021-02-12 15:16:59 -08:00 • committed by Behdad Esfahbod
parent ae860db893
commit 5ca353a2d0
3 changed files with 3 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
src/hb-ot-layout-gpos-table.hh
View file

@ -2064,6 +2064,9 @@ struct LigatureArray : OffsetListOf<LigatureAttach>
unsigned ligature_count = 0;
for (hb_codepoint_t gid : coverage)
{
if (ligature_count >= this->len)
break;
ligature_count++;
if (!glyphset.has (gid)) continue;

BIN
test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-4901143794810880 Normal file
View file

Binary file not shown.

BIN
test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6372147008241664 Normal file
View file

Binary file not shown.